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Nizh Yug (Nizhnekamskneftekhim) BROMOBUTYL RUBBER BBK-232

Nizh Yug (Nizhnekamskneftekhim) BROMOBUTYL RUBBER BBK-232 is obtained by bromination of butyl rubber with unsaturation of minimum 1.5 mol%.

Polymer Name: Bromobutyl Rubber (BIIR)

End Uses: Medical/Healthcare Applications, Tires, Tubing

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Technologies
Technical requirements

TU 20.17.10-096-05766801-2017

Applications & Uses

Plastics & Elastomers End Uses

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Mooney Viscosity ML 1+8 (125°C)28÷35ASTM D 1646
Viscosity (spread in a lot)max. 4Acc. to TU para.4.2
Bromine Mass Content1.50÷2.20%ASTM E 442
Ash Mass Contentmax. 0.7%ASTM D 5667
Antioxidant Irganox 1076min. 0.05wt%Acc. to TU para.4.6
Volatilesmax. 0.7wt%ASTM D 5668
Curing Characteristics (minimum torque)1.2÷3.3dNmASTM D 5289
Curing Characteristics (maximum torque)5.5÷10.5dNmASTM D 5289
Curing Characteristics (time to cure start)1.2÷3.8minutesASTM D 5289
Curing Characteristics(time before totalling of 50 % curing)3.5÷7.1minutesASTM D 5289
Curing Characteristics( time to 90% cure)5.5÷11.0minutesASTM D 5289

Packaging & Availability

Packaging Type
Packaging

Bales are wrapped in center-fold, tubular, band marked and unmarked EVA film, (0.050×750) mm, Vicat softening temperature 85°С max (or similar quality film)

Product is stored and shipped in polymer pallet boxes. Pallet box internal surface is covered with PE bag (liner) before loading; after loading the box is closed and wrapped with belt. Two shipping labels are applied to each box

Storage & Handling

Storage

Pallet boxes with rubber are kept in stacks in producer’s or user’s warehouse. Product should be protected from contamination and stored away from direct sunlight and rainfall. Stacks should not be higher than three pallet levels each. Guarantee shelf life - 1 year from the date of production.